# import kivy
#
# kivy.require('2.0.0')#自身版本号
# from kivy.app import App
# from kivy.uix.label import Label
#
# class MyApp(App):
#
#     def build(self):
#         return Label(text='Hello World')
#
# if __name__=='__main__':
#     MyApp().run()

from kivy.app import App
from kivy.uix.gridlayout import GridLayout
from kivy.uix.label import Label
from kivy.uix.textinput import TextInput

class LoginScreen(GridLayout):

    def __init__(self,**kwargs):
        super(LoginScreen,self).__init__(**kwargs)
        self.cols = 2
        self.add_widget(Label(text='User Name'))
        self.username=TextInput(multiline=False)
        self.add_widget(self.username)
        self.add_widget(Label(text='password'))
        self.password=TextInput(password=True,multiline=False)
        self.add_widget(self.password)

class MyApp(App):

    def build(self):
        return LoginScreen()

if __name__=='__main__':
    MyApp().run()
